video{
    position: absolute;
    top: 50%;
    left: 30%;
    transform: translate(-50%,-50%);
    height: 500px;
    width: 650px;
}

#container{
    height: 100vh;
    width: 100vw;
    background-image: url('../imgs/cc.png');
    background-repeat: no-repeat;
    background-size: 100%;
}
#back {
	position: absolute;
	top: 5%;
	left: 2%;
	transform: translate(-50%, -50%);
	height: 30px;
	width: 30px;
}

#content{
    position: absolute;
    top: 60%;
    left: 70%;
    transform: translate(-50%,-50%);
    height: 550px;
    padding: 5px;
    width: 450px;
    font-family:'北方行书';
    box-shadow: 2px 2px 4px 2px rgb(124, 124, 124),-2px -2px 4px 2px #fff;
    border-radius: 10px;
    background-color: #fff;
    

}

#head_protraint {
	position: absolute;
	width: 100px;
	height: 100px;
	top: 65px;
	left: 50%;
	transform: translate(-50%, -50%);
	border: 5px solid rgb(0, 0, 0);
	box-shadow: 2px 2px 3px 2px rgb(85, 85, 85);
	border-radius: 50%;
	background-image: url('../imgs/loge.png');
	background-size: 100%;
	background-repeat: no-repeat;
	background-color: #fff;
}

#title{
    font-family:'北方行书';
font-weight: 700;
    height: 40px;
    width: 100%;
    background-color: rgb(255, 255, 255);
    box-shadow: 0 0 2px 2px #ddd inset;
    border-radius: 10px 10px 0 0;
    text-indent: 20px;
    line-height: 40px;
    font-size: 24px;
}

#words{
    text-indent: 30px;
    font-family:'北方行书';
    line-height: 26px;
    font-size: 20px;
}

#next_web {
	position: absolute;
	bottom: 0%;
	left: 50%;
	transform: translate(-50%, -50%);
	background-image: url('../imgs/down.png');
	background-size: 100%;
	height: 60px;
	width: 60px;
	transition: all 0.5s linear;
}

#next_web:hover {
	bottom: 1%;
}